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27490198 = 223597613
BaseRepresentation
bin110100011011…
…1011110010110
31220201122110111
41220313132112
524014141243
62421113234
7452443231
oct150673626
956648414
1027490198
111457687a
12925881a
1359067b8
143918418
15263039d
hex1a37796

27490198 has 8 divisors (see below), whose sum is σ = 43028208. Its totient is φ = 13147464.

The previous prime is 27490193. The next prime is 27490217. The reversal of 27490198 is 89109472.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 27490198.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27490193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 298761 + ... + 298852.

It is an arithmetic number, because the mean of its divisors is an integer number (5378526).

Almost surely, 227490198 is an apocalyptic number.

27490198 is a deficient number, since it is larger than the sum of its proper divisors (15538010).

27490198 is a wasteful number, since it uses less digits than its factorization.

27490198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597638.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 27490198 is about 5243.1095735260. The cubic root of 27490198 is about 301.8046702637.

The spelling of 27490198 in words is "twenty-seven million, four hundred ninety thousand, one hundred ninety-eight".

Divisors: 1 2 23 46 597613 1195226 13745099 27490198